| 1 | Chemistry | 1,522 | 69.2K | 251 | 304 |
| 2 | Chemical Engineering | 1,280 | 44.5K | 29 | 59 |
| 3 | Pollution | 773 | 41.0K | 64 | 93 |
| 4 | Materials | 930 | 32.7K | 152 | 223 |
| 5 | Catalysis | 710 | 30.8K | 63 | 92 |
| 6 | Biochemical Engineering | 697 | 29.3K | 30 | 76 |
| 7 | Nanotechnology | 622 | 28.2K | 142 | 187 |
| 8 | environmental pollution | 602 | 28.2K | 34 | 40 |
| 9 | Physics | 612 | 23.8K | 598 | 778 |
| 10 | Environmental Health | 420 | 21.0K | 164 | 173 |
| 11 | Biology | 273 | 20.2K | 759 | 723 |
| 12 | Ecology | 453 | 18.9K | 316 | 419 |
| 13 | Biotechnology | 692 | 18.8K | 95 | 274 |
| 14 | Biochemistry | 708 | 15.3K | 526 | 750 |
| 15 | Environmental Engineering | 244 | 15.1K | 133 | 136 |
| 16 | Environmental monitoring | 305 | 15.0K | 55 | 63 |
| 17 | Materials Science | 407 | 14.1K | 199 | 262 |
| 18 | Biocompatible Materials | 326 | 13.5K | 176 | 242 |
| 19 | Environment | 287 | 12.4K | 265 | 448 |
| 20 | Nanostructured Materials | 297 | 11.8K | 108 | 125 |
| 21 | Science | 299 | 11.5K | 777 | 1010 |
| 22 | Automation | 247 | 11.4K | 77 | 107 |
| 23 | Optical materials | 204 | 11.3K | 121 | 111 |
| 24 | sanitation | 121 | 11.1K | 105 | 104 |
| 25 | Microbiology | 338 | 11.0K | 442 | 596 |
| 26 | nanoscience | 160 | 10.2K | 196 | 184 |
| 27 | Membranes | 180 | 10.0K | 63 | 63 |
| 28 | Colloids | 264 | 9.7K | 225 | 234 |
| 29 | Green Chemistry | 192 | 9.4K | 33 | 55 |
| 30 | Electrochemistry | 328 | 9.3K | 233 | 203 |
| 31 | Analytical Chemistry | 297 | 9.1K | 227 | 289 |
| 32 | China | 441 | 9.0K | 55 | 52 |
| 33 | Organic Chemistry | 369 | 8.9K | 45 | 122 |
| 34 | Water | 175 | 8.7K | 120 | 170 |
| 35 | Biomedical Engineering | 364 | 8.3K | 163 | 313 |
| 36 | Molecular Biology | 233 | 8.2K | 832 | 918 |
| 37 | Bioengineering | 260 | 8.1K | 191 | 380 |
| 38 | Composite Materials | 162 | 8.0K | 199 | 182 |
| 39 | Surface Chemistry | 250 | 7.7K | 227 | 276 |
| 40 | Building Materials | 125 | 7.5K | 103 | 86 |
| 41 | Polymers | 365 | 7.5K | 270 | 405 |
| 42 | Nuclear Physics | 263 | 7.5K | 604 | 612 |
| 43 | Toxicology | 166 | 7.1K | 409 | 359 |
| 44 | environmental protection | 188 | 6.9K | 103 | 155 |
| 45 | Water pollution | 129 | 6.7K | 191 | 192 |
| 46 | Wireless Communication Systems | 160 | 6.5K | 157 | 141 |
| 47 | Bioorganic chemistry | 246 | 6.5K | 57 | 140 |
| 48 | Food | 166 | 6.4K | 144 | 154 |
| 49 | Biomass Energy | 152 | 6.1K | 84 | 164 |
| 50 | Environmental Management | 150 | 6.1K | 97 | 149 |
| 51 | Signal Processing | 229 | 5.7K | 138 | 238 |
| 52 | Medicine | 204 | 5.7K | 1060 | 1232 |
| 53 | food technology | 175 | 5.6K | 119 | 133 |
| 54 | Pharmaceutical Chemistry | 265 | 5.3K | 173 | 337 |
| 55 | polymerization | 274 | 5.3K | 271 | 412 |
| 56 | Sustainable Engineering | 105 | 5.1K | 57 | 66 |
| 57 | Industrial Engineering | 188 | 5.1K | 38 | 61 |
| 58 | Research | 263 | 5.0K | 753 | 1010 |
| 59 | Environmental Toxicology | 135 | 4.9K | 82 | 133 |
| 60 | energy conservation | 66 | 4.9K | 224 | 191 |
| 61 | Environmental pollutants | 116 | 4.8K | 83 | 73 |
| 62 | Artificial Intelligence | 209 | 4.8K | 165 | 328 |
| 63 | Quantum Gravity | 125 | 4.8K | 433 | 417 |
| 64 | Industrial Microbiology | 150 | 4.7K | 32 | 94 |
| 65 | Agricultural Chemistry | 106 | 4.7K | 180 | 149 |
| 66 | Manufacturing Processes | 163 | 4.6K | 117 | 130 |
| 67 | Energy Policy | 78 | 4.5K | 283 | 262 |
| 68 | Nanoparticles | 158 | 4.4K | 60 | 116 |
| 69 | Renewable Energy Sources | 62 | 4.3K | 340 | 365 |
| 70 | Technology | 183 | 4.3K | 249 | 312 |
| 71 | Neural circuitry | 131 | 4.2K | 73 | 100 |
| 72 | Mathematics | 294 | 4.1K | 597 | 563 |
| 73 | Optics | 239 | 4.0K | 381 | 449 |
| 74 | Environmental Policy | 88 | 3.9K | 329 | 407 |
| 75 | Cybernetics | 71 | 3.8K | 148 | 156 |
| 76 | fuel cells | 52 | 3.8K | 155 | 149 |
| 77 | Spectrum analysis | 155 | 3.6K | 510 | 756 |
| 78 | Pharmacology | 126 | 3.6K | 733 | 763 |
| 79 | Natural history | 13 | 3.5K | 1459 | 1098 |
| 80 | Medical Laboratory Science | 91 | 3.5K | 151 | 221 |
| 81 | Systems Engineering | 125 | 3.4K | 87 | 112 |
| 82 | Physical organic chemistry | 128 | 3.3K | 17 | 28 |
| 83 | miniaturization | 64 | 3.3K | 237 | 289 |
| 84 | clay | 43 | 3.3K | 45 | 19 |
| 85 | Pharmaceutical Technology | 88 | 3.3K | 59 | 69 |
| 86 | Nutrition | 81 | 3.3K | 637 | 591 |
| 87 | Electronics | 148 | 3.3K | 331 | 387 |
| 88 | Chromatographic analysis | 224 | 3.2K | 17 | 42 |
| 89 | Telecommunication | 81 | 3.2K | 350 | 339 |
| 90 | Production Engineering | 147 | 3.2K | 80 | 88 |
| 91 | Mechanical Engineering | 199 | 3.1K | 89 | 124 |
| 91 | pollutants | 78 | 3.1K | 119 | 131 |
| 93 | Chromatography | 186 | 2.9K | 14 | 38 |
| 94 | Microelectronics | 34 | 2.8K | 431 | 285 |
| 95 | Mobile Computing | 63 | 2.8K | 83 | 64 |
| 96 | internet | 87 | 2.8K | 82 | 118 |
| 97 | Internet of Things | 87 | 2.8K | 73 | 98 |
| 98 | catalytic activity | 69 | 2.8K | 14 | 23 |
| 99 | Energy Conversion | 48 | 2.8K | 164 | 270 |
| 100 | Control Theory | 138 | 2.7K | 101 | 164 |
| 101 | Magnetic Materials | 70 | 2.6K | 137 | 125 |
| 102 | computer networks | 123 | 2.5K | 151 | 248 |
| 103 | Environmental Law | 38 | 2.5K | 156 | 169 |
| 104 | Electrophoresis | 150 | 2.5K | 24 | 93 |
| 105 | Food additives | 40 | 2.5K | 127 | 114 |
| 106 | Carbon | 39 | 2.5K | 187 | 199 |
| 107 | hydrocolloids | 36 | 2.5K | 90 | 93 |
| 108 | concrete | 47 | 2.4K | 122 | 152 |
| 109 | Engineering | 156 | 2.4K | 283 | 421 |
| 110 | Statistical physics | 112 | 2.4K | 595 | 659 |
| 111 | environmental exposure | 67 | 2.4K | 132 | 147 |
| 112 | Image Processing | 135 | 2.3K | 138 | 362 |
| 113 | Chemical industry | 141 | 2.3K | 50 | 38 |
| 114 | Biophysics | 106 | 2.2K | 930 | 1156 |
| 115 | Molecular Spectroscopy | 62 | 2.2K | 163 | 91 |
| 116 | Photonics | 75 | 2.2K | 272 | 389 |
| 116 | energy resources | 24 | 2.2K | 337 | 262 |
| 118 | Intelligent Transportation Systems | 64 | 2.1K | 87 | 135 |
| 119 | Environmental Chemistry | 45 | 2.1K | 293 | 416 |
| 120 | Energy Storage | 47 | 2.0K | 144 | 146 |
| 121 | actuators | 54 | 2.0K | 353 | 344 |
| 121 | transducers | 54 | 2.0K | 353 | 344 |
| 123 | Clinical Chemistry | 78 | 2.0K | 373 | 498 |
| 124 | Tribology | 75 | 1.9K | 87 | 99 |
| 125 | Structural Engineering | 85 | 1.9K | 186 | 244 |
| 126 | Ocean Engineering | 75 | 1.8K | 226 | 288 |
| 127 | Information Science | 72 | 1.8K | 247 | 412 |
| 128 | Earthquake Engineering | 72 | 1.7K | 188 | 256 |
| 129 | Biosensors | 34 | 1.7K | 215 | 253 |
| 130 | Fracture mechanics | 98 | 1.7K | 108 | 183 |
| 131 | lasers | 88 | 1.6K | 226 | 266 |
| 132 | Solar Energy | 29 | 1.6K | 340 | 266 |
| 133 | Microbial Ecology | 54 | 1.5K | 397 | 630 |
| 134 | Environmental Microbiology | 22 | 1.5K | 350 | 320 |
| 134 | Nanostructures | 64 | 1.5K | 158 | 405 |
| 136 | Robotics | 67 | 1.5K | 190 | 271 |
| 137 | Metals | 54 | 1.5K | 352 | 433 |
| 138 | Social Change | 20 | 1.5K | 221 | 174 |
| 139 | enzymes | 59 | 1.5K | 135 | 221 |
| 140 | International Finance | 41 | 1.5K | 279 | 222 |
| 141 | Operations Research | 41 | 1.5K | 538 | 472 |
| 142 | Ultrasonics | 30 | 1.4K | 228 | 171 |
| 143 | Bioinformatics | 76 | 1.4K | 206 | 449 |
| 144 | Soil Mechanics | 69 | 1.4K | 129 | 230 |
| 145 | Bioelectronics | 23 | 1.4K | 251 | 262 |
| 146 | Pharmacognosy | 56 | 1.4K | 224 | 368 |
| 147 | soil microbiology | 16 | 1.4K | 557 | 452 |
| 148 | Mechatronics | 35 | 1.3K | 120 | 100 |
| 149 | Mathematical Physics | 100 | 1.3K | 422 | 582 |
| 150 | Economics | 59 | 1.3K | 966 | 914 |
| 151 | Detectors | 88 | 1.3K | 66 | 169 |
| 152 | Thermodynamics | 38 | 1.3K | 153 | 64 |
| 153 | Telecommunication Systems | 97 | 1.3K | 50 | 125 |
| 154 | Electrical Engineering | 51 | 1.3K | 737 | 457 |
| 155 | finance | 46 | 1.3K | 482 | 463 |
| 156 | Lightweight concrete | 18 | 1.2K | 99 | 117 |
| 157 | Process Control | 31 | 1.2K | 122 | 248 |
| 158 | Thermochemistry | 26 | 1.2K | 89 | 46 |
| 159 | synthesis | 105 | 1.2K | 10 | 24 |
| 160 | System analysis | 75 | 1.2K | 244 | 430 |
| 161 | pigments | 54 | 1.2K | 52 | 69 |
| 162 | Computer Graphics | 81 | 1.2K | 175 | 339 |
| 163 | Solid State Physics | 91 | 1.2K | 799 | 1059 |
| 164 | Energy Harvesting | 11 | 1.2K | 172 | 162 |
| 165 | Drug delivery systems | 48 | 1.1K | 160 | 380 |
| 166 | toxicity testing | 29 | 1.1K | 43 | 28 |
| 167 | Business | 17 | 1.1K | 874 | 751 |
| 168 | Medicinal plants | 44 | 1.1K | 169 | 294 |
| 169 | Enzyme | 37 | 1.1K | 24 | 57 |
| 170 | Condensed Matter | 86 | 1.1K | 716 | 975 |
| 171 | Engineering Geology | 36 | 1.1K | 289 | 310 |
| 172 | management | 41 | 1.1K | 881 | 1126 |
| 173 | natural products | 49 | 1.1K | 224 | 291 |
| 174 | Genetic engineering | 22 | 1.1K | 649 | 566 |
| 175 | Nanochemistry | 48 | 1.0K | 68 | 80 |
| 176 | coal | 39 | 1.0K | 293 | 466 |
| 177 | Cytology | 26 | 1.0K | 1309 | 1379 |
| 178 | Power Electronics | 25 | 981 | 299 | 332 |
| 179 | Pesticides | 39 | 976 | 54 | 48 |
| 180 | Social Sciences | 51 | 974 | 618 | 659 |
| 181 | Microorganisms | 8 | 969 | 546 | 318 |
| 182 | solar power | 11 | 967 | 311 | 171 |
| 182 | solar cells | 11 | 967 | 352 | 193 |
| 184 | nucleic acids | 10 | 959 | 830 | 634 |
| 185 | Physical Chemistry | 19 | 947 | 845 | 679 |
| 185 | Electrochemical Analysis | 38 | 947 | 289 | 326 |
| 187 | Hazardous waste | 34 | 929 | 70 | 246 |
| 188 | Medical Microbiology | 6 | 922 | 1313 | 751 |
| 189 | Energy Consumption | 10 | 920 | 133 | 84 |
| 190 | Drug design | 50 | 918 | 125 | 314 |
| 191 | Information Systems | 30 | 907 | 219 | 226 |
| 192 | Information Technology | 49 | 906 | 292 | 627 |
| 192 | Sonochemistry | 21 | 906 | 84 | 125 |
| 194 | drug evaluation | 32 | 890 | 186 | 197 |
| 195 | Microbial Biotechnology | 43 | 888 | 36 | 105 |
| 195 | vibration | 31 | 888 | 230 | 263 |
| 197 | Engineering Mathematics | 54 | 887 | 232 | 314 |
| 198 | Solid State Chemistry | 54 | 886 | 505 | 634 |
| 199 | Cement | 11 | 882 | 247 | 222 |
| 200 | food handling | 25 | 880 | 138 | 157 |
| 201 | Quality Control | 25 | 879 | 349 | 322 |
| 202 | Humanities | 45 | 875 | 124 | 106 |
| 203 | Heat Exchangers | 34 | 874 | 217 | 346 |
| 204 | Chemical processes | 47 | 859 | 28 | 54 |
| 205 | Astrophysics | 56 | 846 | 894 | 1195 |
| 206 | radioactive waste | 26 | 840 | 80 | 253 |
| 206 | industrial waste | 26 | 840 | 93 | 254 |
| 208 | Food Microbiology | 15 | 829 | 423 | 404 |
| 208 | Analytical Biochemistry | 55 | 829 | 150 | 392 |
| 210 | biocatalysis | 5 | 828 | 103 | 139 |
| 210 | Homogeneous catalysis | 5 | 828 | 103 | 139 |
| 210 | Heterogeneous catalysis | 5 | 828 | 103 | 139 |
| 213 | Multimedia Systems | 68 | 827 | 135 | 299 |
| 214 | biological factors | 31 | 809 | 403 | 477 |
| 215 | Structural dynamics | 22 | 802 | 307 | 347 |
| 216 | Plastics | 35 | 800 | 300 | 330 |
| 217 | Aging | 3 | 792 | 2187 | 768 |
| 218 | Metallurgy | 33 | 788 | 584 | 629 |
| 219 | Computational Biology | 40 | 784 | 507 | 758 |
| 220 | Geriatrics | 2 | 780 | 2741 | 762 |
| 221 | Developmental Biology | 2 | 777 | 1892 | 757 |
| 222 | Production Management | 22 | 766 | 324 | 522 |
| 223 | Dynamics | 30 | 749 | 343 | 244 |
| 224 | mass transfer | 24 | 746 | 576 | 580 |
| 225 | Nervous system | 22 | 731 | 794 | 852 |
| 226 | Numerical Analysis | 54 | 728 | 377 | 533 |
| 227 | Physiology | 24 | 726 | 1395 | 1415 |
| 228 | Ceramic materials | 26 | 725 | 308 | 309 |
| 229 | Economic History | 38 | 719 | 813 | 823 |
| 230 | city planning | 23 | 710 | 473 | 424 |
| 231 | Pharmacy | 29 | 708 | 549 | 622 |
| 232 | Botany | 23 | 688 | 1442 | 1499 |
| 233 | Psychoneuroimmunology | 2 | 676 | 675 | 225 |
| 233 | Organometallic chemistry | 56 | 676 | 233 | 452 |
| 233 | Neuroimmunology | 2 | 676 | 748 | 248 |
| 236 | Fiber Optics | 26 | 667 | 244 | 237 |
| 237 | Geotechnical Engineering | 31 | 657 | 97 | 133 |
| 238 | drugs | 30 | 650 | 473 | 604 |
| 238 | Fuzzy systems | 31 | 650 | 256 | 211 |
| 240 | Molecular structure | 40 | 649 | 479 | 727 |
| 241 | Transportation | 27 | 646 | 449 | 564 |
| 242 | Light | 3 | 636 | 860 | 523 |
| 243 | Computational Intelligence | 23 | 629 | 82 | 81 |
| 244 | gastrointestinal tract | 2 | 626 | 390 | 97 |
| 245 | Fluid Mechanics | 26 | 623 | 433 | 454 |
| 246 | Organometallic compounds | 40 | 619 | 216 | 404 |
| 247 | Housing | 10 | 616 | 184 | 103 |
| 248 | drug toxicity | 10 | 612 | 103 | 45 |
| 249 | Genetic regulation | 15 | 605 | 370 | 437 |
| 250 | Evolutionary Computation | 12 | 604 | 132 | 206 |
| 251 | Soil dynamics | 28 | 595 | 79 | 131 |
| 252 | biopolymers | 23 | 593 | 336 | 404 |
| 252 | rehabilitation | 13 | 593 | 914 | 716 |
| 254 | Urban Planning | 9 | 592 | 152 | 85 |
| 254 | community development | 9 | 592 | 265 | 89 |
| 254 | Population | 9 | 592 | 442 | 248 |
| 257 | Heterocyclic compounds | 37 | 591 | 115 | 86 |
| 258 | energy development | 11 | 590 | 280 | 336 |
| 259 | visualization | 41 | 584 | 279 | 259 |
| 260 | Computer Science | 37 | 579 | 320 | 402 |
| 261 | Human-Computer Interaction | 26 | 566 | 303 | 466 |
| 262 | commerce | 24 | 565 | 350 | 534 |
| 263 | isomerism | 32 | 560 | 15 | 29 |
| 263 | Chirality | 32 | 560 | 15 | 29 |
| 265 | Educational Technology | 17 | 549 | 536 | 478 |
| 266 | proteins | 24 | 536 | 602 | 699 |
| 267 | food industry | 38 | 534 | 43 | 76 |
| 268 | Zeolites | 21 | 533 | 226 | 334 |
| 269 | Photochemistry | 25 | 532 | 430 | 579 |
| 270 | Nonlinear systems | 22 | 531 | 107 | 124 |
| 271 | Asia | 30 | 527 | 630 | 617 |
| 272 | Measurement | 26 | 525 | 293 | 341 |
| 273 | Ultrasound | 9 | 522 | 360 | 209 |
| 274 | Semiconductors | 28 | 521 | 572 | 568 |
| 275 | Diet | 13 | 520 | 823 | 931 |
| 276 | Ultrasonic Imaging | 8 | 512 | 250 | 103 |
| 277 | Photobiology | 24 | 511 | 255 | 406 |
| 278 | Luminescence | 26 | 505 | 287 | 284 |
| 279 | Lipids | 18 | 492 | 395 | 561 |
| 280 | health planning | 27 | 486 | 565 | 630 |
| 281 | Computer Vision | 23 | 485 | 297 | 526 |
| 282 | Drug targeting | 14 | 483 | 47 | 74 |
| 283 | Technological Innovations | 9 | 481 | 484 | 335 |
| 284 | Nonlinear Dynamics | 26 | 480 | 720 | 839 |
| 285 | Adaptive control systems | 31 | 476 | 61 | 91 |
| 286 | economic policy | 26 | 470 | 693 | 660 |
| 286 | Crystal growth | 12 | 470 | 430 | 327 |
| 288 | Surface-Active Agents | 18 | 466 | 255 | 440 |
| 288 | Surface properties | 18 | 466 | 288 | 492 |
| 290 | Metallography | 25 | 464 | 149 | 240 |
| 291 | Marine Biology | 13 | 463 | 1239 | 1138 |
| 292 | Cell differentiation | 1 | 460 | 1640 | 826 |
| 292 | Stem cells | 1 | 460 | 1562 | 612 |
| 292 | cloning | 1 | 460 | 798 | 326 |
| 295 | Transnational corporations | 13 | 459 | 54 | 62 |
| 296 | Cognitive Radio Networks | 20 | 456 | 26 | 47 |
| 297 | supercritical fluids | 13 | 454 | 130 | 140 |
| 298 | Smart Materials | 24 | 453 | 187 | 299 |
| 299 | Japan | 23 | 452 | 437 | 397 |
| 300 | Biopharmaceutics | 17 | 447 | 325 | 423 |
| 301 | Ceramics | 29 | 442 | 331 | 454 |
| 302 | Soft Condensed Matter | 14 | 433 | 453 | 445 |
| 303 | Public Health | 13 | 432 | 2391 | 2091 |
| 303 | Systems Analysis | 28 | 432 | 184 | 280 |
| 305 | Tourism | 8 | 421 | 983 | 861 |
| 306 | Marine Pollution | 10 | 420 | 614 | 591 |
| 307 | Water quality management | 23 | 417 | 500 | 589 |
| 308 | Urban Policy | 10 | 415 | 369 | 292 |
| 308 | Cosmology | 23 | 415 | 130 | 252 |
| 310 | carbon monoxide | 12 | 413 | 60 | 109 |
| 310 | mathematical analysis | 40 | 413 | 730 | 848 |
| 312 | food contamination | 23 | 410 | 148 | 213 |
| 313 | Mineral resources | 17 | 409 | 88 | 213 |
| 314 | Metabolism | 11 | 407 | 1126 | 1217 |
| 314 | environmental indicators | 10 | 407 | 550 | 591 |
| 316 | Computational Complexity | 34 | 403 | 88 | 167 |
| 317 | Glass | 27 | 401 | 249 | 416 |
| 317 | pottery | 27 | 401 | 238 | 410 |
| 319 | Nuclear Engineering | 27 | 400 | 429 | 404 |
| 319 | particles | 30 | 400 | 122 | 268 |
| 321 | Geophysics | 22 | 398 | 1302 | 1601 |
| 321 | Pharmacokinetics | 11 | 398 | 303 | 332 |
| 323 | Industry | 5 | 393 | 76 | 86 |
| 324 | Chemical analysis | 11 | 392 | 495 | 451 |
| 324 | Cancer | 14 | 392 | 1224 | 1438 |
| 326 | Structural design | 22 | 391 | 176 | 283 |
| 327 | United States | 22 | 390 | 1750 | 1942 |
| 328 | Sustainable Development | 14 | 388 | 765 | 974 |
| 328 | dietary supplements | 22 | 388 | 121 | 292 |
| 330 | Mass Spectrometry | 47 | 383 | 143 | 464 |
| 331 | Neurology | 21 | 377 | 1671 | 2130 |
| 332 | Small Business | 5 | 376 | 569 | 563 |
| 333 | Nanobiotechnology | 12 | 373 | 97 | 219 |
| 334 | Synthetic biology | 14 | 372 | 86 | 105 |
| 335 | Land use | 10 | 368 | 552 | 502 |
| 336 | Soil Science | 7 | 357 | 1208 | 948 |
| 337 | Industrial Safety | 11 | 353 | 498 | 445 |
| 337 | Herbal medicine | 12 | 353 | 224 | 320 |
| 339 | Egypt | 8 | 351 | 192 | 156 |
| 340 | machinery | 24 | 346 | 142 | 236 |
| 341 | Swarm Intelligence | 7 | 337 | 108 | 116 |
| 341 | multimedia | 16 | 337 | 147 | 250 |
| 341 | Interactive multimedia | 16 | 337 | 158 | 259 |
| 344 | Enzyme inhibitors | 13 | 335 | 81 | 113 |
| 345 | Quantum electronics | 18 | 334 | 603 | 615 |
| 346 | Materials Engineering | 20 | 332 | 102 | 119 |
| 347 | Recycling | 4 | 326 | 482 | 477 |
| 348 | Optical Communications | 38 | 321 | 87 | 238 |
| 349 | Catalysts | 26 | 320 | 84 | 241 |
| 350 | ecosystem | 11 | 319 | 624 | 807 |
| 351 | Iron | 11 | 318 | 122 | 93 |
| 352 | Mechanics | 21 | 312 | 366 | 468 |
| 353 | Biodiversity | 26 | 311 | 592 | 1121 |
| 354 | software | 5 | 304 | 774 | 573 |
| 355 | Systems Biology | 8 | 303 | 803 | 706 |
| 356 | Granular materials | 18 | 298 | 99 | 213 |
| 357 | Geodesy | 8 | 297 | 333 | 258 |
| 358 | Investment analysis | 13 | 291 | 268 | 367 |
| 359 | Friction | 5 | 287 | 59 | 42 |
| 360 | Endocrinology | 11 | 286 | 1294 | 1519 |
| 361 | Waste management | 16 | 285 | 459 | 555 |
| 362 | Informatics | 16 | 283 | 230 | 414 |
| 363 | Hydrology | 18 | 281 | 923 | 1234 |
| 364 | Diagnostic Imaging | 13 | 280 | 759 | 859 |
| 364 | Solitons | 18 | 280 | 305 | 516 |
| 364 | Fractals | 18 | 280 | 307 | 519 |
| 364 | Chaos | 18 | 280 | 305 | 516 |
| 368 | Neurophysiology | 11 | 268 | 1374 | 1532 |
| 369 | Genetic algorithms | 5 | 267 | 211 | 282 |
| 370 | Agriculture | 12 | 266 | 942 | 1089 |
| 371 | Cell Biology | 17 | 264 | 1493 | 2187 |
| 372 | Cell death | 3 | 261 | 941 | 814 |
| 373 | Psychology | 37 | 258 | 1295 | 2305 |
| 374 | Bioremediation | 12 | 257 | 215 | 422 |
| 374 | genome | 12 | 257 | 606 | 990 |
| 376 | Calorimetry | 14 | 254 | 419 | 471 |
| 376 | Thermal analysis | 14 | 254 | 419 | 471 |
| 378 | Sociology | 22 | 253 | 997 | 1478 |
| 378 | Remote Sensing | 11 | 253 | 706 | 594 |
| 380 | Nonlinear functional analysis | 13 | 252 | 495 | 500 |
| 381 | Biodegradation | 10 | 250 | 252 | 416 |
| 382 | Civil Engineering | 31 | 247 | 328 | 454 |
| 383 | Regional Planning | 19 | 246 | 529 | 807 |
| 384 | Crystallography | 54 | 242 | 245 | 521 |
| 385 | Health Information Management | 4 | 241 | 224 | 397 |
| 386 | Nuclear Energy | 17 | 240 | 326 | 390 |
| 387 | Cartography | 5 | 238 | 288 | 102 |
| 387 | nuclear astrophysics | 21 | 238 | 100 | 299 |
| 389 | Computer Engineering | 8 | 227 | 474 | 344 |
| 389 | Communication | 25 | 227 | 613 | 1170 |
| 391 | Genetics | 11 | 226 | 1623 | 2134 |
| 392 | Brain | 14 | 225 | 1181 | 1520 |
| 393 | biomedicine | 8 | 221 | 192 | 271 |
| 394 | soil pollution | 10 | 220 | 153 | 228 |
| 395 | Oncology | 8 | 219 | 1075 | 1528 |
| 395 | East Asia | 15 | 219 | 148 | 132 |
| 397 | Hydrodynamics | 11 | 214 | 262 | 380 |
| 397 | Capital market | 6 | 214 | 246 | 245 |
| 399 | peptides | 9 | 213 | 335 | 293 |
| 400 | Business Ethics | 6 | 211 | 688 | 955 |
| 401 | Chronobiology | 8 | 210 | 184 | 197 |
| 401 | biological clocks | 8 | 210 | 184 | 197 |
| 401 | circadian rhythm | 8 | 210 | 184 | 197 |
| 401 | biological rhythms | 8 | 210 | 170 | 193 |
| 405 | Geochemistry | 14 | 208 | 915 | 1263 |
| 405 | international trade | 2 | 208 | 925 | 352 |
| 407 | Oral Medicine | 3 | 207 | 733 | 271 |
| 408 | Rock Mechanics | 14 | 203 | 372 | 591 |
| 408 | Eastern Europe | 17 | 203 | 183 | 217 |
| 410 | Circadian rhythms | 7 | 201 | 142 | 188 |
| 411 | Plant physiology | 7 | 193 | 1378 | 1563 |
| 412 | Structural optimization | 9 | 192 | 162 | 225 |
| 413 | Medical Physics | 16 | 189 | 629 | 998 |
| 413 | soil conservation | 8 | 189 | 367 | 503 |
| 415 | Functional Analysis | 21 | 187 | 462 | 739 |
| 415 | Psychophysiology | 9 | 187 | 1467 | 1763 |
| 417 | Histology | 14 | 186 | 792 | 1184 |
| 418 | Australia | 8 | 185 | 1027 | 920 |
| 419 | Public Policy | 9 | 184 | 939 | 1142 |
| 419 | Marine Geology | 19 | 184 | 143 | 376 |
| 419 | Marine Geophysics | 19 | 184 | 28 | 93 |
| 419 | Marine mineral resources | 19 | 184 | 13 | 37 |
| 419 | economic analysis | 7 | 184 | 100 | 114 |
| 419 | Seabed | 19 | 184 | 13 | 37 |
| 425 | Astronomy | 22 | 179 | 1106 | 1777 |
| 425 | Heterocyclic chemistry | 16 | 179 | 94 | 92 |
| 425 | human development | 16 | 179 | 267 | 597 |
| 428 | Lipid metabolism | 2 | 178 | 497 | 318 |
| 428 | Lipid | 2 | 178 | 499 | 320 |
| 430 | Tunneling | 5 | 177 | 247 | 298 |
| 430 | underground construction | 5 | 177 | 247 | 298 |
| 432 | Entropy | 12 | 176 | 422 | 508 |
| 433 | Strategic planning | 6 | 175 | 478 | 530 |
| 434 | bioluminescence | 10 | 174 | 100 | 88 |
| 435 | sustainability | 9 | 173 | 370 | 739 |
| 436 | Atmospheric Physics | 12 | 169 | 725 | 1100 |
| 437 | Immunity | 2 | 166 | 1608 | 1417 |
| 438 | Molecules | 20 | 165 | 572 | 840 |
| 439 | plasticity | 2 | 164 | 400 | 357 |
| 440 | Visual Communication | 14 | 162 | 79 | 175 |
| 440 | Computer-Aided Design | 10 | 162 | 587 | 753 |
| 440 | Image enhancement | 14 | 162 | 65 | 165 |
| 443 | Health | 3 | 160 | 1915 | 1312 |
| 443 | Biomolecules | 9 | 160 | 157 | 386 |
| 445 | Nuclear Fusion | 7 | 159 | 349 | 304 |
| 445 | biofuels | 1 | 159 | 474 | 341 |
| 445 | fusion reactors | 7 | 159 | 240 | 150 |
| 445 | Stress | 2 | 159 | 370 | 182 |
| 445 | Autism | 1 | 159 | 993 | 557 |
| 450 | Securities | 5 | 157 | 181 | 236 |
| 450 | ozone | 8 | 157 | 25 | 41 |
| 452 | Biomechanics | 11 | 155 | 591 | 897 |
| 452 | Water Purification | 13 | 155 | 441 | 660 |
| 452 | protein | 11 | 155 | 550 | 795 |
| 455 | Electromagnetism | 6 | 154 | 700 | 616 |
| 455 | biological monitoring | 8 | 154 | 208 | 354 |
| 457 | Genomics | 8 | 152 | 1671 | 2043 |
| 457 | Flexible electronics | 3 | 152 | 66 | 80 |
| 459 | Cognitive Science | 17 | 150 | 526 | 1258 |
| 459 | optical devices | 8 | 150 | 218 | 267 |
| 461 | Combustion | 8 | 149 | 747 | 886 |
| 461 | Bioinorganic chemistry | 9 | 149 | 826 | 1022 |
| 463 | Financial Engineering | 3 | 146 | 102 | 74 |
| 463 | Host-parasite interactions | 1 | 146 | 1557 | 1085 |
| 463 | Virulence | 1 | 146 | 1322 | 1033 |
| 466 | Calculus of Variations | 5 | 145 | 425 | 274 |
| 466 | Gene expression regulation | 14 | 145 | 331 | 692 |
| 468 | Liquid chromatography | 15 | 144 | 110 | 154 |
| 469 | Cognitive neuroscience | 17 | 143 | 367 | 823 |
| 470 | Microbial Metabolism | 4 | 142 | 109 | 167 |
| 471 | Nanophotonics | 4 | 141 | 276 | 274 |
| 471 | Raman spectroscopy | 10 | 141 | 337 | 569 |
| 473 | Decision making | 11 | 140 | 654 | 1030 |
| 473 | Developing countries | 8 | 140 | 1348 | 1555 |
| 475 | Chromosome mapping | 8 | 139 | 950 | 1387 |
| 475 | gene mapping | 8 | 139 | 1030 | 1541 |
| 477 | Plant Ecology | 1 | 138 | 2305 | 1496 |
| 477 | Information visualization | 18 | 138 | 16 | 35 |
| 477 | Radiation effects | 1 | 138 | 1066 | 588 |
| 480 | Gastrointestinal diseases | 1 | 137 | 955 | 369 |
| 481 | Agricultural Engineering | 3 | 136 | 439 | 337 |
| 482 | Statistics | 21 | 135 | 1014 | 1454 |
| 483 | Chemical kinetics | 17 | 134 | 161 | 287 |
| 484 | Neuroplasticity | 14 | 132 | 19 | 215 |
| 485 | Greenhouse gases | 4 | 131 | 220 | 303 |
| 485 | Cosmochemistry | 4 | 131 | 750 | 754 |
| 487 | Municipal Engineering | 3 | 130 | 336 | 235 |
| 488 | Multiphase Flow | 7 | 128 | 217 | 337 |
| 489 | Food Science | 5 | 127 | 97 | 93 |
| 489 | stocks | 3 | 127 | 118 | 146 |
| 491 | World Wide Web | 13 | 125 | 71 | 193 |
| 492 | Alternative Medicine | 8 | 124 | 790 | 1225 |
| 492 | complementary therapies | 8 | 124 | 892 | 1291 |
| 492 | Reproductive toxicology | 4 | 124 | 312 | 344 |
| 495 | glycoproteins | 4 | 121 | 364 | 381 |
| 495 | Glycoconjugates | 4 | 121 | 364 | 381 |
| 495 | Oligosaccharides | 4 | 121 | 176 | 180 |
| 495 | glycolipids | 4 | 121 | 364 | 381 |
| 499 | Optoelectronics | 33 | 119 | 46 | 204 |
| 500 | Porous materials | 13 | 118 | 206 | 458 |
| 500 | Atomic spectroscopy | 11 | 118 | 560 | 816 |
| 500 | Europe | 8 | 118 | 1728 | 1882 |
| 503 | Proteome | 3 | 115 | 985 | 980 |
| 504 | Ergonomics | 9 | 114 | 501 | 670 |
| 505 | Neuropsychology | 7 | 113 | 1366 | 1714 |
| 505 | electric vehicles | 8 | 113 | 139 | 277 |
| 505 | brain mapping | 7 | 113 | 357 | 606 |
| 508 | Telecommunications | 15 | 111 | 171 | 467 |
| 509 | Microcirculation | 7 | 109 | 244 | 387 |
| 509 | Behavior | 4 | 109 | 2388 | 2736 |
| 511 | Oxidative stress | 2 | 108 | 976 | 1093 |
| 511 | Soil biology | 2 | 108 | 983 | 997 |
| 511 | antibiotics | 4 | 108 | 151 | 167 |
| 514 | Virology | 4 | 107 | 1976 | 2258 |
| 515 | Steroids | 5 | 106 | 647 | 757 |
| 516 | human behavior | 3 | 105 | 2242 | 2499 |
| 517 | mutation | 1 | 103 | 838 | 592 |
| 517 | Chromosomes | 1 | 103 | 1249 | 872 |
| 519 | Education | 5 | 101 | 2725 | 2385 |
| 519 | Immunology | 8 | 101 | 1637 | 2331 |
| 519 | Flow chemistry | 16 | 101 | 3 | 8 |
| 522 | Bioavailability | 2 | 100 | 104 | 47 |
| 523 | Hormones | 4 | 98 | 944 | 1084 |
| 523 | Human Resources | 2 | 98 | 618 | 614 |
| 525 | air quality management | 10 | 97 | 172 | 510 |
| 525 | Computational Fluid Dynamics | 9 | 97 | 299 | 555 |
| 525 | Entrepreneurship | 4 | 97 | 868 | 1154 |
| 525 | Futures | 5 | 97 | 216 | 246 |
| 529 | Quantum Optics | 9 | 96 | 490 | 666 |
| 529 | Laser Spectroscopy | 9 | 96 | 432 | 623 |
| 529 | Fisheries | 3 | 96 | 1481 | 1260 |
| 532 | Quantum theory | 11 | 95 | 499 | 779 |
| 533 | Blood vessels | 4 | 94 | 298 | 344 |
| 533 | free radicals | 2 | 94 | 1359 | 1414 |
| 533 | pharmaceutical industry | 7 | 94 | 308 | 436 |
| 536 | Molecular cloning | 3 | 93 | 1330 | 1227 |
| 536 | Genetic recombination | 3 | 93 | 1312 | 1215 |
| 536 | Recombinant DNA | 3 | 93 | 1374 | 1266 |
| 536 | amino acids | 1 | 93 | 961 | 585 |
| 540 | personality | 12 | 92 | 725 | 1491 |
| 541 | Geography | 7 | 91 | 1297 | 1708 |
| 541 | Information Theory | 6 | 91 | 1008 | 1149 |
| 541 | Industrial Design | 2 | 91 | 335 | 244 |
| 541 | Neurochemistry | 5 | 91 | 1579 | 1919 |
| 541 | Molecular evolution | 4 | 91 | 1196 | 1547 |
| 541 | radar | 4 | 91 | 127 | 110 |
| 541 | Sonar | 4 | 91 | 113 | 96 |
| 541 | Navigation | 4 | 91 | 223 | 149 |
| 549 | cell interaction | 5 | 89 | 718 | 1053 |
| 550 | Adhesion | 10 | 88 | 244 | 569 |
| 550 | fishing industry | 2 | 88 | 146 | 75 |
| 550 | Imaging systems | 14 | 88 | 191 | 489 |
| 550 | adhesives | 10 | 88 | 261 | 574 |
| 554 | Intelligent Control Systems | 14 | 87 | 360 | 673 |
| 555 | Developmental Psychology | 8 | 86 | 588 | 976 |
| 555 | Career development | 1 | 86 | 819 | 332 |
| 555 | Flexible manufacturing systems | 5 | 86 | 241 | 411 |
| 555 | Corporate governance | 4 | 86 | 506 | 690 |
| 555 | Obesity | 2 | 86 | 1830 | 1754 |
| 555 | probabilities | 19 | 86 | 531 | 848 |
| 561 | Ecological Engineering | 1 | 85 | 1106 | 845 |
| 561 | Organizational Behavior | 2 | 85 | 695 | 713 |
| 563 | Meteorology | 3 | 84 | 1896 | 2047 |
| 563 | atmosphere | 3 | 84 | 746 | 829 |
| 565 | Medical Technology | 8 | 80 | 849 | 1458 |
| 565 | Radiography | 3 | 80 | 660 | 856 |
| 567 | Cellular senescence | 1 | 79 | 596 | 660 |
| 567 | Corporate Social Responsibility | 3 | 79 | 273 | 545 |
| 567 | environmental auditing | 3 | 79 | 286 | 551 |
| 570 | Magnetic Resonance Spectroscopy | 8 | 78 | 662 | 854 |
| 570 | plasma spraying | 6 | 78 | 126 | 222 |
| 570 | nuclear power | 5 | 78 | 323 | 284 |
| 573 | technical education | 4 | 77 | 562 | 600 |
| 574 | micromechanics | 5 | 76 | 427 | 605 |
| 574 | Food inspection | 5 | 76 | 12 | 34 |
| 574 | food quality | 5 | 76 | 12 | 34 |
| 577 | Mineralogy | 10 | 75 | 720 | 1150 |
| 577 | Soil ecology | 1 | 75 | 1214 | 954 |
| 579 | Groundwater | 1 | 74 | 881 | 585 |
| 579 | Quality of life | 4 | 74 | 1184 | 1552 |
| 581 | Signal Transduction | 5 | 73 | 979 | 1465 |
| 581 | color | 8 | 73 | 100 | 203 |
| 581 | biological agents | 6 | 73 | 437 | 212 |
| 581 | Money | 2 | 73 | 463 | 489 |
| 585 | Nuclear Chemistry | 2 | 72 | 1274 | 772 |
| 585 | Coastal zone management | 2 | 72 | 829 | 740 |
| 585 | Radiochemistry | 2 | 72 | 1191 | 685 |
| 585 | Marine resources | 2 | 72 | 833 | 759 |
| 589 | Data Mining | 9 | 71 | 819 | 1689 |
| 589 | Asymmetric synthesis | 8 | 71 | 16 | 49 |
| 591 | Behavioral research | 5 | 70 | 391 | 473 |
| 592 | Architectural Design | 9 | 69 | 180 | 334 |
| 592 | Parallel Processing | 4 | 69 | 377 | 568 |
| 594 | Combinatorial chemistry | 3 | 68 | 650 | 922 |
| 594 | Metallic Glasses | 5 | 68 | 311 | 471 |
| 594 | Financial management | 2 | 68 | 577 | 642 |
| 594 | International Business | 2 | 68 | 215 | 143 |
| 594 | innovation | 4 | 68 | 512 | 876 |
| 594 | Planets | 4 | 68 | 1141 | 1582 |
| 600 | Molecular recognition | 1 | 67 | 449 | 214 |
| 600 | Child welfare | 2 | 67 | 1317 | 1055 |
| 600 | Textile industry | 5 | 67 | 349 | 367 |
| 603 | marketing | 9 | 66 | 1158 | 1965 |
| 603 | Vision | 2 | 66 | 720 | 723 |
| 605 | Safety management | 8 | 65 | 222 | 488 |
| 605 | Cellulose | 3 | 65 | 599 | 808 |
| 607 | Petroleum Engineering | 3 | 64 | 673 | 724 |
| 608 | Ophthalmology | 1 | 63 | 1909 | 1478 |
| 608 | Metabolic diseases | 4 | 63 | 1478 | 1986 |
| 608 | eye | 1 | 63 | 335 | 422 |
| 611 | Microscopy | 3 | 62 | 1370 | 1222 |
| 612 | Traffic Engineering | 4 | 61 | 339 | 579 |
| 612 | Atmospheric Chemistry | 4 | 61 | 716 | 1087 |
| 612 | research and development | 2 | 61 | 412 | 480 |
| 615 | Landscape Architecture | 1 | 60 | 339 | 72 |
| 615 | Product Design | 5 | 60 | 379 | 443 |
| 615 | Public Spaces | 1 | 60 | 182 | 73 |
| 615 | Fractional Calculus | 4 | 60 | 91 | 160 |
| 615 | Art and Architecture | 1 | 60 | 10 | 4 |
| 615 | Petroleum | 2 | 60 | 330 | 201 |
| 621 | Occupational Health | 2 | 59 | 1232 | 974 |
| 621 | industrial hygiene | 2 | 59 | 1239 | 795 |
| 621 | water reuse | 3 | 59 | 319 | 474 |
| 624 | Psychiatry | 3 | 58 | 3190 | 3408 |
| 624 | Proteomics | 2 | 58 | 1144 | 1231 |
| 624 | infrared radiation | 5 | 58 | 443 | 558 |
| 624 | identity recognition | 5 | 58 | 14 | 46 |
| 628 | Fluid Dynamics | 6 | 57 | 761 | 1131 |
| 628 | Plate Tectonics | 1 | 57 | 487 | 328 |
| 628 | Quantum Communication | 2 | 57 | 220 | 271 |
| 628 | Earth Sciences | 10 | 57 | 1816 | 2956 |
| 628 | plant molecular biology | 3 | 57 | 1347 | 1893 |
| 633 | Environmental Geochemistry | 3 | 56 | 559 | 745 |
| 633 | Minerals | 3 | 56 | 795 | 991 |
| 633 | Meteorites | 3 | 56 | 783 | 1078 |
| 636 | Anatomy | 3 | 55 | 1727 | 1792 |
| 636 | Climate change | 5 | 55 | 708 | 1593 |
| 636 | Optoelectronic devices | 7 | 55 | 577 | 799 |
| 639 | nuclear magnetic resonance spectroscopy | 4 | 54 | 622 | 673 |
| 639 | NMR | 4 | 54 | 449 | 491 |
| 639 | magnetic resonance | 4 | 54 | 459 | 501 |
| 642 | Food Preservation | 8 | 53 | 401 | 809 |
| 642 | Simulation Methods | 4 | 53 | 875 | 1156 |
| 642 | Gerontology | 2 | 53 | 2040 | 1675 |
| 642 | Hydrocarbons | 5 | 53 | 77 | 106 |
| 642 | textile fibers | 7 | 53 | 206 | 412 |
| 647 | Immunotherapy | 4 | 52 | 1312 | 1867 |
| 647 | Plant diseases | 2 | 52 | 2034 | 1883 |
| 649 | Social Psychology | 11 | 51 | 1107 | 2352 |
| 649 | big data | 7 | 51 | 260 | 778 |
| 649 | Muscle contraction | 6 | 51 | 174 | 170 |
| 652 | Clinical Psychology | 3 | 50 | 1082 | 1348 |
| 653 | Food Safety | 2 | 49 | 373 | 340 |
| 653 | Molecular Microbiology | 4 | 49 | 662 | 1149 |
| 653 | Microfabrication | 18 | 49 | 56 | 415 |
| 653 | Nanomanufacturing | 18 | 49 | 10 | 60 |
| 653 | Social policy | 1 | 49 | 1627 | 1078 |
| 653 | planning | 1 | 49 | 1337 | 892 |
| 653 | Economic planning | 1 | 49 | 947 | 734 |
| 660 | Green Technology | 5 | 48 | 220 | 612 |
| 660 | Inflammation | 1 | 48 | 1474 | 1437 |
| 660 | Plants | 5 | 48 | 1529 | 2232 |
| 663 | Environmental Geology | 3 | 47 | 1637 | 1988 |
| 663 | Computer Architecture | 2 | 47 | 682 | 528 |
| 663 | Microprocessors | 2 | 47 | 778 | 678 |
| 663 | Ubiquitous computing | 3 | 47 | 274 | 202 |
| 663 | natural gas | 1 | 47 | 619 | 556 |
| 668 | Occupational Therapy | 1 | 46 | 1577 | 804 |
| 668 | Highway Engineering | 3 | 46 | 390 | 492 |
| 668 | infrared technology | 3 | 46 | 204 | 141 |
| 668 | India | 6 | 46 | 937 | 1132 |
| 672 | Biotransformation | 4 | 45 | 70 | 127 |
| 672 | Evidence-Based Medicine | 4 | 45 | 528 | 964 |
| 672 | Fluorescence | 7 | 45 | 207 | 519 |
| 675 | Medical Oncology | 3 | 44 | 1265 | 1688 |
| 675 | Quantum Mechanics | 9 | 44 | 52 | 115 |
| 675 | Mortgages | 3 | 44 | 180 | 280 |
| 678 | Pediatrics | 1 | 43 | 2647 | 2267 |
| 678 | Marine Ecology | 3 | 43 | 755 | 903 |
| 678 | Geographic information systems | 10 | 43 | 498 | 1247 |
| 678 | Child | 1 | 43 | 2844 | 2257 |
| 678 | Protective coatings | 5 | 43 | 87 | 149 |
| 678 | Roads | 7 | 43 | 427 | 632 |
| 684 | Differential Equations | 8 | 42 | 648 | 1026 |
| 684 | Wireless Communication | 5 | 42 | 309 | 512 |
| 684 | Family | 7 | 42 | 585 | 1144 |
| 684 | clay minerals | 4 | 42 | 219 | 445 |
| 684 | Computer Literacy | 3 | 42 | 198 | 386 |
| 684 | Genetic therapy | 2 | 42 | 981 | 1182 |
| 690 | Special Education | 1 | 41 | 1248 | 833 |
| 690 | infection | 4 | 41 | 1166 | 1763 |
| 692 | Database Management | 2 | 40 | 883 | 934 |
| 692 | Databases | 2 | 40 | 439 | 464 |
| 692 | Sustainable agriculture | 3 | 40 | 701 | 1037 |
| 692 | Carcinogenesis | 1 | 40 | 1273 | 1249 |
| 692 | Environmental carcinogens | 1 | 40 | 51 | 69 |
| 697 | Neurobiology | 2 | 39 | 1550 | 1884 |
| 697 | Machining | 3 | 39 | 140 | 176 |
| 697 | drug development | 4 | 39 | 675 | 1358 |
| 700 | Naval Architecture | 3 | 38 | 307 | 369 |
| 700 | Thin Films | 3 | 38 | 524 | 612 |
| 702 | Algorithms | 4 | 37 | 615 | 840 |
| 702 | Water Microbiology | 1 | 37 | 875 | 777 |
| 702 | Monomers | 3 | 37 | 60 | 109 |
| 702 | indoor air pollution | 4 | 37 | 285 | 620 |
| 702 | Ventilation | 4 | 37 | 399 | 732 |
| 702 | Sick building syndrome | 4 | 37 | 285 | 620 |
| 702 | Cheminformatics | 3 | 37 | 307 | 587 |
| 702 | United Kingdom | 2 | 37 | 1534 | 1688 |
| 702 | Fouling | 1 | 37 | 451 | 456 |
| 711 | Electronic Packaging | 3 | 36 | 213 | 296 |
| 711 | Biogeochemical cycles | 2 | 36 | 458 | 794 |
| 711 | Microwaves | 5 | 36 | 1040 | 1311 |
| 714 | Brain-Computer Interfaces | 2 | 35 | 45 | 70 |
| 714 | Interfaces | 2 | 35 | 449 | 478 |
| 714 | families | 5 | 35 | 661 | 1013 |
| 714 | Plant cells | 2 | 35 | 1067 | 1653 |
| 718 | Great Lakes | 1 | 34 | 369 | 351 |
| 719 | Epidemiology | 5 | 33 | 2431 | 3739 |
| 719 | Land Use Planning | 1 | 33 | 634 | 671 |
| 719 | Immunopharmacology | 3 | 33 | 983 | 1474 |
| 719 | Functional foods | 1 | 33 | 699 | 690 |
| 719 | Happiness | 2 | 33 | 591 | 872 |
| 719 | cytokines | 3 | 33 | 1064 | 1688 |
| 719 | Phytotherapy | 1 | 33 | 1225 | 1168 |
| 719 | baking | 1 | 33 | 335 | 327 |
| 727 | Machine Learning | 5 | 32 | 222 | 501 |
| 727 | Combinatorial optimization | 3 | 32 | 536 | 555 |
| 727 | Food service management | 1 | 32 | 793 | 954 |
| 727 | Radiation | 8 | 32 | 1319 | 2367 |
| 727 | Biodiversity conservation | 3 | 32 | 1463 | 2148 |
| 727 | Eutrophication | 3 | 32 | 858 | 1640 |
| 727 | venom | 1 | 32 | 1259 | 1142 |
| 727 | Toxins | 1 | 32 | 1387 | 1258 |
| 727 | impact | 2 | 32 | 376 | 560 |
| 736 | Sedimentology | 2 | 31 | 740 | 961 |
| 736 | Sound | 6 | 31 | 715 | 1178 |
| 736 | optical pattern recognition | 4 | 31 | 84 | 145 |
| 736 | North America | 4 | 31 | 684 | 1041 |
| 736 | Insect biochemistry | 2 | 31 | 549 | 735 |
| 741 | Nondestructive testing | 4 | 30 | 572 | 939 |
| 741 | Algebra | 6 | 30 | 1128 | 1268 |
| 743 | Psychopharmacology | 2 | 29 | 1379 | 1733 |
| 743 | Spectroscopy | 3 | 29 | 154 | 98 |
| 743 | Infrared spectroscopy | 3 | 29 | 298 | 633 |
| 743 | Urban Areas | 3 | 29 | 227 | 380 |
| 743 | Investments | 4 | 29 | 410 | 802 |
| 743 | Oxidation-reduction | 1 | 29 | 1072 | 1353 |
| 749 | Nanoelectronics | 2 | 28 | 918 | 939 |
| 749 | Lightweight Materials | 2 | 28 | 37 | 71 |
| 749 | Hospitality industry | 2 | 28 | 541 | 851 |
| 749 | explosives | 2 | 28 | 237 | 206 |
| 753 | Medical Imaging | 1 | 27 | 367 | 349 |
| 753 | Magnetic Resonance Imaging | 1 | 27 | 609 | 585 |
| 753 | Emulsions | 4 | 27 | 294 | 543 |
| 753 | Solutions | 2 | 27 | 523 | 548 |
| 753 | Africa | 4 | 27 | 1304 | 1682 |
| 753 | Oxidation | 2 | 27 | 190 | 285 |
| 753 | Biomass | 3 | 27 | 695 | 1413 |
| 753 | traffic safety | 1 | 27 | 540 | 524 |
| 761 | Geometry | 7 | 26 | 798 | 1142 |
| 761 | Hydraulic Engineering | 4 | 26 | 718 | 1196 |
| 761 | Cryptography | 3 | 26 | 680 | 731 |
| 761 | Coding Theory | 1 | 26 | 658 | 435 |
| 761 | Adolescent | 2 | 26 | 2237 | 2548 |
| 766 | Global Health | 3 | 25 | 1039 | 1562 |
| 766 | Stochastic Processes | 4 | 25 | 803 | 1252 |
| 766 | gene therapy | 1 | 25 | 1206 | 1349 |
| 766 | air quality | 3 | 25 | 192 | 567 |
| 766 | Alzheimer's disease | 2 | 25 | 1348 | 1267 |
| 766 | population geography | 3 | 25 | 390 | 693 |
| 766 | gene transfer | 1 | 25 | 451 | 474 |
| 766 | mathematical concepts | 4 | 25 | 330 | 565 |
| 766 | genetic transformation | 1 | 25 | 451 | 474 |
| 775 | Nanomedicine | 2 | 24 | 302 | 638 |
| 775 | nuclear magnetic resonance | 4 | 24 | 802 | 1112 |
| 775 | Library Science | 2 | 24 | 1176 | 1154 |
| 775 | Carbohydrates | 2 | 24 | 511 | 738 |
| 775 | Transplantation | 1 | 24 | 1098 | 1185 |
| 775 | Social work | 1 | 24 | 2045 | 1726 |
| 781 | Production Planning | 1 | 23 | 548 | 702 |
| 781 | Statistical Mechanics | 4 | 23 | 561 | 805 |
| 781 | Genetic translocation | 2 | 23 | 254 | 389 |
| 781 | drug resistance | 3 | 23 | 672 | 1332 |
| 781 | Sensor Networks | 5 | 23 | 152 | 420 |
| 781 | Production Control | 1 | 23 | 530 | 699 |
| 781 | structural stability | 1 | 23 | 514 | 652 |
| 781 | Real Estate Investment | 4 | 23 | 138 | 283 |
| 781 | Database Security | 2 | 23 | 103 | 174 |
| 781 | plasmids | 2 | 23 | 254 | 389 |
| 781 | Extreme environments | 1 | 23 | 435 | 583 |
| 792 | radiative transfer | 5 | 22 | 458 | 826 |
| 792 | RNA | 1 | 22 | 754 | 903 |
| 792 | econometric models | 3 | 22 | 657 | 1161 |
| 795 | Polymer Engineering | 7 | 21 | 21 | 223 |
| 795 | Logistics | 2 | 21 | 727 | 1168 |
| 795 | Plant Genetics | 1 | 21 | 1030 | 1200 |
| 795 | Critical Care | 2 | 21 | 1231 | 1708 |
| 795 | Critical Care Medicine | 2 | 21 | 1181 | 1660 |
| 795 | Applied Linguistics | 2 | 21 | 770 | 854 |
| 795 | Plant genetic engineering | 1 | 21 | 1254 | 1409 |
| 795 | Bacteriology | 2 | 21 | 1808 | 2574 |
| 795 | drug therapy | 2 | 21 | 1735 | 2255 |
| 795 | plant communities | 1 | 21 | 1437 | 1727 |
| 795 | educational innovations | 1 | 21 | 959 | 980 |
| 795 | Cognition | 6 | 21 | 1171 | 2253 |
| 807 | Clinical Immunology | 2 | 20 | 1005 | 1410 |
| 807 | Immunopathology | 2 | 20 | 1085 | 1548 |
| 807 | economic indicators | 2 | 20 | 133 | 209 |
| 807 | Social behavior | 6 | 20 | 788 | 1751 |
| 807 | Immune system | 1 | 20 | 1195 | 1396 |
| 807 | Liver diseases | 1 | 20 | 1411 | 1643 |
| 813 | Serology | 1 | 19 | 870 | 980 |
| 813 | Boundary Value Problems | 5 | 19 | 587 | 1138 |
| 813 | psychophysics | 2 | 19 | 444 | 548 |
| 813 | Attention | 2 | 19 | 1519 | 2023 |
| 813 | Perception | 2 | 19 | 1634 | 2080 |
| 813 | Cell communication | 1 | 19 | 909 | 1176 |
| 813 | Vaccines | 1 | 19 | 2176 | 2412 |
| 820 | Physical Geography | 2 | 18 | 627 | 923 |
| 820 | Ethics | 1 | 18 | 1525 | 1465 |
| 820 | Inorganic Chemistry | 1 | 18 | 121 | 203 |
| 820 | Antenna Arrays | 2 | 18 | 633 | 936 |
| 820 | Cognitive Therapy | 1 | 18 | 987 | 1116 |
| 820 | Professional ethics | 1 | 18 | 554 | 662 |
| 826 | Orthopedics | 1 | 17 | 1678 | 1753 |
| 826 | Pharmacogenetics | 1 | 17 | 1186 | 1392 |
| 826 | Plasma chemistry | 1 | 17 | 653 | 756 |
| 826 | Ferroelectricity | 7 | 17 | 663 | 1279 |
| 826 | Graphene | 1 | 17 | 255 | 416 |
| 826 | Therapeutics | 1 | 17 | 1915 | 2205 |
| 826 | Post-traumatic stress disorder | 1 | 17 | 1146 | 1319 |
| 826 | Approximation Theory | 4 | 17 | 375 | 637 |
| 826 | Cell metabolism | 1 | 17 | 987 | 1270 |
| 826 | Genes | 1 | 17 | 1559 | 1717 |
| 836 | Geology | 2 | 16 | 2827 | 3375 |
| 836 | Econometrics | 2 | 16 | 1563 | 1766 |
| 836 | Supply Chain Management | 1 | 16 | 69 | 71 |
| 836 | Integrative Medicine | 1 | 16 | 529 | 489 |
| 836 | Gene expression | 5 | 16 | 169 | 565 |
| 841 | Software Engineering | 4 | 15 | 875 | 1507 |
| 841 | Human Geography | 1 | 15 | 1667 | 1685 |
| 841 | Geomagnetism | 1 | 15 | 802 | 936 |
| 841 | Urban Transportation | 1 | 15 | 294 | 351 |
| 841 | Radio wave propagation | 4 | 15 | 609 | 1096 |
| 841 | Broadcasting | 2 | 15 | 242 | 441 |
| 841 | Radio | 2 | 15 | 1518 | 1969 |
| 841 | Aquaculture | 3 | 15 | 1384 | 2121 |
| 849 | Mining Engineering | 2 | 14 | 648 | 865 |
| 849 | Linguistics | 3 | 14 | 1294 | 1718 |
| 849 | Seismology | 4 | 14 | 402 | 824 |
| 849 | Quantum Chemistry | 1 | 14 | 320 | 348 |
| 849 | Liquid Crystals | 12 | 14 | 404 | 1109 |
| 849 | Technology Assessment | 1 | 14 | 852 | 1291 |
| 849 | environmental remediation | 3 | 14 | 346 | 963 |
| 849 | Geobiology | 1 | 14 | 671 | 867 |
| 849 | Sulfur | 2 | 14 | 146 | 245 |
| 849 | atmospheric models | 2 | 14 | 683 | 1082 |
| 849 | High performance computing | 3 | 14 | 47 | 115 |
| 849 | Autoimmune diseases | 1 | 14 | 811 | 1096 |
| 849 | Trace elements | 1 | 14 | 523 | 783 |
| 862 | Speech-Language Pathology | 2 | 13 | 360 | 634 |
| 862 | Chemotherapy | 1 | 13 | 1407 | 1672 |
| 862 | Organizational learning | 2 | 13 | 602 | 1111 |
| 862 | Research Design | 2 | 13 | 1264 | 1929 |
| 862 | Integrated Circuits | 8 | 13 | 445 | 1068 |
| 862 | Multivariate Analysis | 1 | 13 | 880 | 962 |
| 862 | Chemical safety | 1 | 13 | 93 | 75 |
| 862 | Knowledge management | 2 | 13 | 589 | 1061 |
| 862 | data collection | 2 | 13 | 1316 | 2109 |
| 862 | Liposomes | 1 | 13 | 942 | 1096 |
| 862 | automatic speech recognition | 2 | 13 | 184 | 436 |
| 862 | Lipid bilayers | 1 | 13 | 783 | 873 |
| 862 | cell physiology | 1 | 13 | 1694 | 2165 |
| 875 | Risk Management | 1 | 12 | 1192 | 1450 |
| 875 | Mental Disorders | 2 | 12 | 2591 | 3572 |
| 875 | technology transfer | 1 | 12 | 561 | 749 |
| 875 | Respiratory system | 1 | 12 | 763 | 1004 |
| 875 | Cardiovascular diseases | 1 | 12 | 1845 | 2048 |
| 875 | Environmental risk assessment | 1 | 12 | 775 | 979 |
| 875 | medical education | 1 | 12 | 2326 | 2572 |
| 875 | Respiration | 1 | 12 | 1744 | 2124 |
| 875 | Insects | 2 | 12 | 1617 | 2156 |
| 875 | Structure-activity relationship | 2 | 12 | 310 | 601 |
| 875 | Entomology | 2 | 12 | 2476 | 3021 |
| 886 | Agricultural Biotechnology | 1 | 11 | 588 | 549 |
| 886 | Fishery management | 2 | 11 | 968 | 1483 |
| 886 | Risk | 2 | 11 | 627 | 1130 |
| 886 | Teaching | 2 | 11 | 2084 | 2761 |
| 886 | economic conditions | 1 | 11 | 818 | 921 |
| 886 | Dementia | 1 | 11 | 1655 | 1476 |
| 886 | organization | 1 | 11 | 1265 | 1579 |
| 886 | Uncertainty | 2 | 11 | 231 | 411 |
| 894 | Geriatric Medicine | 1 | 10 | 321 | 492 |
| 894 | Economic Development | 2 | 10 | 1783 | 2626 |
| 894 | Tissue Engineering | 1 | 10 | 607 | 817 |
| 894 | health services accessibility | 2 | 10 | 1080 | 1790 |
| 894 | soil management | 1 | 10 | 895 | 1251 |
| 894 | Noise | 2 | 10 | 186 | 369 |
| 894 | Ethnology | 1 | 10 | 2208 | 2224 |
| 894 | foods | 1 | 10 | 281 | 453 |
| 894 | brewing | 2 | 10 | 235 | 442 |
| 894 | Ion channels | 1 | 10 | 213 | 327 |
| 894 | Tropical Medicine | 1 | 10 | 2345 | 2765 |
| 894 | psychotherapy | 1 | 10 | 1710 | 1916 |
| 894 | Mountains | 1 | 10 | 794 | 925 |
| 894 | Radio frequency | 1 | 10 | 691 | 943 |
| 908 | Hematology | 1 | 9 | 2072 | 2354 |
| 908 | Geomorphology | 1 | 9 | 1858 | 2370 |
| 908 | Molecular Pharmacology | 1 | 9 | 1095 | 1529 |
| 908 | Development Economics | 3 | 9 | 418 | 998 |
| 908 | Information Retrieval | 5 | 9 | 321 | 1075 |
| 908 | consumer behavior | 1 | 9 | 973 | 1354 |
| 908 | Rheology | 1 | 9 | 892 | 1154 |
| 908 | Water Conservation | 1 | 9 | 170 | 298 |
| 908 | Water quality | 1 | 9 | 528 | 846 |
| 908 | Geriatric Oncology | 1 | 9 | 807 | 1147 |
| 908 | Harmonic Analysis | 1 | 9 | 287 | 408 |
| 908 | Alloys | 2 | 9 | 382 | 538 |
| 908 | Water chemistry | 1 | 9 | 770 | 1064 |
| 908 | cycles | 1 | 9 | 335 | 388 |
| 922 | Urban Economics | 1 | 8 | 591 | 799 |
| 922 | Phytochemistry | 2 | 8 | 397 | 995 |
| 922 | Health Policy | 1 | 8 | 2868 | 3392 |
| 922 | Public Administration | 1 | 8 | 2006 | 2198 |
| 922 | Psychosomatic Medicine | 1 | 8 | 1070 | 1462 |
| 922 | Computational Linguistics | 2 | 8 | 741 | 1189 |
| 922 | Organizational change | 3 | 8 | 752 | 1632 |
| 922 | Phytoremediation | 2 | 8 | 397 | 995 |
| 922 | Bioreactors | 2 | 8 | 397 | 995 |
| 922 | Turbulence | 1 | 8 | 400 | 541 |
| 922 | analysis | 1 | 8 | 544 | 702 |
| 922 | Transport | 1 | 8 | 947 | 1323 |
| 922 | Medical innovations | 2 | 8 | 974 | 1848 |
| 922 | Finite Element Method | 1 | 8 | 568 | 765 |
| 922 | Sea | 1 | 8 | 845 | 1182 |
| 922 | Fishery resources | 1 | 8 | 931 | 1284 |
| 922 | biomimicry | 2 | 8 | 221 | 515 |
| 922 | administrative agencies | 1 | 8 | 543 | 650 |
| 922 | Development | 1 | 8 | 1247 | 1652 |
| 922 | Yeast | 1 | 8 | 679 | 960 |
| 922 | data protection | 3 | 8 | 597 | 1308 |
| 943 | Environmental Psychology | 1 | 7 | 668 | 1063 |
| 943 | Aesthetics | 1 | 7 | 406 | 283 |
| 943 | Art Criticism | 1 | 7 | 213 | 169 |
| 943 | Endocrine glands | 1 | 7 | 410 | 668 |
| 943 | Feminism | 1 | 7 | 1007 | 1158 |
| 943 | curriculum evaluation | 1 | 7 | 704 | 1001 |
| 943 | women | 1 | 7 | 1471 | 1632 |
| 950 | Oceanography | 1 | 6 | 2084 | 2663 |
| 950 | Music Therapy | 1 | 6 | 420 | 644 |
| 950 | Art Therapy | 1 | 6 | 392 | 599 |
| 950 | Virtual reality | 2 | 6 | 509 | 1027 |
| 950 | Fermentation | 1 | 6 | 407 | 597 |
| 950 | Dance therapy | 1 | 6 | 349 | 535 |
| 950 | Learning disabilities | 1 | 6 | 1221 | 1582 |
| 950 | Socioeconomic Factors | 1 | 6 | 1293 | 1940 |
| 950 | Plant tissue culture | 1 | 6 | 1109 | 1542 |
| 950 | Marriage | 1 | 6 | 872 | 1245 |
| 950 | water supply | 1 | 6 | 1298 | 1830 |
| 950 | energy transfer | 1 | 6 | 24 | 46 |
| 950 | Microstructure | 2 | 6 | 1167 | 1755 |
| 950 | Soviet Union | 3 | 6 | 683 | 1360 |
| 950 | Plant cell culture | 1 | 6 | 1032 | 1517 |
| 965 | Transportation Engineering | 2 | 5 | 373 | 797 |
| 965 | Nuclear Medicine | 1 | 5 | 1132 | 1374 |
| 965 | Fuzzy Logic | 1 | 5 | 143 | 302 |
| 965 | Psycholinguistics | 1 | 5 | 1322 | 1757 |
| 965 | Neurotoxicology | 1 | 5 | 961 | 1557 |
| 965 | Kinetics | 2 | 5 | 625 | 1284 |
| 965 | Neurolinguistics | 1 | 5 | 673 | 969 |
| 965 | Educational Psychology | 1 | 5 | 2044 | 2633 |
| 965 | Change management | 1 | 5 | 245 | 425 |
| 965 | Molecular Imaging | 1 | 5 | 743 | 1012 |
| 965 | Fuzzy Sets | 1 | 5 | 143 | 302 |
| 965 | Bibliometrics | 1 | 5 | 297 | 527 |
| 965 | Industrial Policy | 1 | 5 | 820 | 1143 |
| 965 | Speech Disorders | 1 | 5 | 1326 | 1700 |
| 965 | Mycology | 1 | 5 | 2027 | 2567 |
| 965 | organizational effectiveness | 1 | 5 | 817 | 1192 |
| 965 | nucleotides | 1 | 5 | 554 | 699 |
| 965 | Arthropods | 1 | 5 | 510 | 827 |
| 965 | Radio waves | 1 | 5 | 1180 | 1536 |
| 965 | Fuzzy algorithms | 1 | 5 | 143 | 302 |
| 965 | Fungi | 1 | 5 | 1425 | 1924 |
| 965 | Prospecting | 1 | 5 | 193 | 340 |
| 965 | Semiconductor industry | 1 | 5 | 927 | 1227 |
| 965 | Speech | 1 | 5 | 1293 | 1686 |
| 965 | language | 1 | 5 | 1264 | 1552 |
| 990 | Political Science | 2 | 4 | 1870 | 2469 |
| 990 | Philosophy | 4 | 4 | 1312 | 1823 |
| 990 | Dermatology | 1 | 4 | 1794 | 2291 |
| 990 | Sustainable Architecture | 2 | 4 | 218 | 532 |
| 990 | Industrial Organization | 1 | 4 | 572 | 845 |
| 990 | Underwater acoustics | 2 | 4 | 93 | 216 |
| 990 | Laser therapy | 1 | 4 | 733 | 1065 |
| 990 | Noise control | 4 | 4 | 213 | 249 |
| 990 | Chemical structure | 1 | 4 | 1008 | 1368 |
| 990 | heredity | 4 | 4 | 532 | 1426 |
| 990 | Export Marketing | 1 | 4 | 452 | 769 |